Filter-press.



PATENTED JUNE 9; 1903.

C. K-OLB.

FILTER PRESS.

APPLIUATION FILED Nov. a, 1902.

3 SHEETS-SHEET 2.

N0 MODEL.

Jim/Mv?" N0 MODEL.

APPLICATION FILED N OV. 3| 190.2.

3 SHEETS-SHEET 3.

UNITED STATES:

Patented .T une 9, 1903.v

`PATI-:NT OFFICE.

FILTEFi-PRESS.

SPECIFICATION forming part of Letters Patent .'No. 730,776, dated June 9, 19,03. Application led November 3, 1902. Serial No. 129,956. (No model.)

'cloths and in which the cloths will be securely held and supported to permit of successful operation without liability to accident and with great increase of capacity.

With this object in view the invention consists in the improved construction of parts of a filter-press, as hereinafter described and afterward specifically claimed.

In the accompanying drawings, which illus.

trate an apparatus embodying my'invention, Figure 1 represents a vertical sectional view on the line m-.rof Fig. 2. Fig. 2 represents a partial transverse section on the line Y Y of Fig. 1. Fig. Srepresents a view in elevation. Fig. 4 represents a plan view. Figs. 5 and 6 represent the inner skeleton frames in elevation.

Like letters of reference indicate the same parts in all of the figures of the drawings.

The apparatus comprises two solid plates c. a, forming the sides and pressed inward to secure the whole system by pressure-screws j. At top and bottom of these plates are inwardly-projecting iianges b b, in which are formed semicircular recesses,as clearly shown in Fig. 1 and the lower half of Fig. 2, the intermediate portions of the plates of, a between said flanges being formed with vertical ribs c and intervening vertical recesses,fthe ribs obeing at their inner rounded edges continuations of the ribs between the semicircular recesses in the anges b b and the spaces between the ribs being rectangular instead of semicircular.

A, Fig. 5, indicates one o f the skeleton frames, each comprising vertical bars ff and horizontal bars e e, the latter in form resembling a series of rings joined together, the rings corresponding in size with the semicircular recesses of the ianges b b, into which recesses the rings of the outer ones of these bars e e fit to hold in position the outer of a series of filtering-cloths 7c k.

B, Fig. 6, indicates one of the skeleton frames, each comprising horizontal bars m fm, vertical outer bars ff, and inner vertical ribs t c'. The horizontal bars m are provided with semicircular recesses on opposite sides corresponding in size with those of the flanges b b, and the inner filtering-cloths k k are clamped in these recesses by the circles of bars e e of frame A. The vertical ribs t' t' are in vertical alinement with the ribs c c of plates a d, and when the parts are assembled the filtering-cloths are held in tubular form vat top and bottom by the horizontal bars e e m 'm and the flanges bb, while the cloths are supported at intervals only by Vertical ribs c c and i fi, being allowed to expand under thepressure of the liquid within them into tubular form between said ribs, as shown in Fig. 2.

The liquid enters through pipe t into channel h and passes through the bores g into the tubes formed by the filtering-cloths, passing throughnearly the Whole extent of the cloths and permitting of the filtering of a large quantity of liquid, which passes from the spaces or compartments outside of the tubular-formed Vcloths and finally iiows out through holes o o.

The press may be readily taken apart for repairing, replacing parts, or cleaning by simply loosening the pressure-screws jj.

Any suitable'receptacle may be used to receive the iltered liquid, if desired.

The tubes formed by the cloths held in undulatory form by the bars and plates are not complete, being connected by-vertical spaces, as shown in Fig. 2, and forming between each V- two adjacent cloths a continuous space across the apparatus.

Having thus fully described my invention,

recesses, the ribs between said recess being extended between the anges and forming rectangular recesses, filtering-clothsv on the inside of said plates and iianges, and horizontal bars separating said cloths at intervals IOO in substantially the form of a series of tubes communicating at the sides, substantially as described.

2. A :filter-press comprising a pair of pressure-plates having top and bottom inwardlyprojecting flanges provided with semicircular recesses in their inner edges, frames between the plates comprisingr top and bottom horizontal bars formed of a plurality of rings tting in said recesses, and ltering-cloths held in undulating form in said recesses by said rings, substantially as described.

3. AViilter-press comprising a-pair of pressure-plates, top and bottom flanges thereon having recesses in their inner edges, vertical ribs between said recesses extending from the 

